﻿/* dk2Repository - Copyright (C) 2011 Daniel Kuczewski http://www.dk2.de/

 * This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA */

using System;
using System.Collections.Generic;
using dk2Database;
using dk2Repository.QueryBuilder;
using dk2Repository.QueryBuilder.MySql;
using dk2Repository.QueryBuilder.SqLite;


namespace dk2Repository
{
    internal static class QueryBuilders
    {
        private static readonly Dictionary<Type, ISqlBuilder> _builders;

        static QueryBuilders()
        {
            _builders= new Dictionary<Type, ISqlBuilder>();
            SetBuilder<MySqlDatabase>(new MySqlBuilder());
            SetBuilder<SqLiteDatabase>(new SqLiteBuilder());
        }

        internal static void SetBuilder<TDatabase>(ISqlBuilder builder) where TDatabase : Database
        {
            _builders.Add(typeof(TDatabase), builder);
        }

        internal static ISqlBuilder GetBuilder(Type databasetype)
        {
            return _builders.ContainsKey(databasetype) ? _builders[databasetype] : null;
        }
    }
}
